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• Grouping Records with the same value

  - by Ben

  I am trying to create a conversations based messaging system. I want to group all messages that have the same conversation_id so that when I display a list of current conversations you only see the latest message from each conversation. Can I group the values in the mysql query, or would I have to do it in the php?

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• Your ideal Mac OS software setup for programming boxes?

  - by braindump

  I'm wondering, what do you use for your programming box, based on Mac OS X? What editor, file transmission client etc. do you prefer and for which purposes?

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• Navigation and Tab Bar both are in app, which model to follow?

  - by iPhoneDev

  Which model should I use, if my First view in Login view (NO Tab required) and then all other views are under Tab Bar. So as a rule should I create Navigation based template coz First view uses only Navigation not Tab Bar or is there any other way around? Please suggest First Screen with Nav bar in Top (MUST Needed) Second Screen Tab Bar view:

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• How to replicate CoreData NSFetchedResultController with plain SQLite?

  - by jchatard

  I would like to replicate the notification sort of system provided with CoreData NSFetchedResultController which with really little enables us to update a tableView based on events such as Insert/Update/Delete of objects represented as Cells. I'm currently using SQLitePersistentObjects as a Database abstraction layer: http://code.google.com/p/sqlitepersistentobjects/ If you have any idea or something working or at least advices I'd be very happy! Thank you!

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• how do you create a simple obejctice-c command line project in xcode

  - by Mark

  im moving from a c# VS2008 world into the mac world and I just wanted to know how I can create a quick little command line based application so that I can write many little objective-c apps without worrying about creating an iPhone app or whatever. Which projects do I create in xcode? I can see the Command Line Tool under "Mac os x" but the only options for the type is "C", "C++", "Core Data", "Core Foundation", "Core Services" and "Foundation" but no simple objective c project? Thanks

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• How do I call a function using a function name generated from a string variable.

  - by Roeland

  In the process of automating some code, I am looking to call upon a function based on what a string is. For example, I have a variable $somevar which is set to the string "This". Now I want to run a function doThis(); So, I was hoping I could write do.$somevar($var,$var2) . I want it to run doThis($var1,$var2). Is this possible?

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• Lookig for "GAE-TaskQueues" in Asp.net

  - by Fabrizio

  I normally works in asp.net. But recently I was testing Google App Engine and I found TaskQueues: it's very interesting and powerful. Does anyone know a similar service for asp.net? I know MSQueue but it's not what I need. I need something like GAE TaskQueue: I put an URL in queue and the URL is triggered (based on queue config).

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• How to protect applications ?

  - by haansi

  My Boss have given me assignment to find how a web based application developed in dot net can be protected. As per agreement products developed in our company are asset of company and even not developers can gave the code. But still he wants to know how he can protect products in case a developer theft code and try to launch it from his home ? Please guide how this can be controlled.

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• FlexScroll and IFRAMES

  - by Neurofluxation

  Hey, I was wondering whether there is a way to use FlexScroll (JavaScript custom image based scrollbars) with IFRAMES instead of the DIVS. Yes, I know scrollable DIVS are better than IFRAMES. This is my clients requirement though. Cheers.

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• How do I see the whole HTTP request in Rails

  - by akafazov

  Hi, I have a Rails application but after some time of development/debugging I realized that it would be very helpful to be able to see the whole HTTP request in the logfiles - log/development.log, not just the parameters. I also want to have a separate logfile based on user, not session. Any ideas will be appreciated! Angel

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• Databinding with Control Properties in Winforms: Bind Enabled to state of Combobox?

  - by bwerks

  Hi all, I have barely any experience with WinForms, but I'm fairly sure that this is a simple task. I just need to enable and disable the Enabled property of a textbox based on the SelectedIndex of a ComboBox. Can this be done in the designer using DataBindings, or am I required to write a handler of some kind?

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• WCF RIA Services and RFC calls

  - by Kottan

  I want (have) to write a Silverlight and (or) ASP.NET based webapplication with SAP in the backend (the usage of Silverlight and ASP.NET is a precondition) Is it possible to use the WCF RIA Services (and Silverlight) where the data-source are RFCs from SAP ? Makes this sense ? If yes, how the pattern/architecture could be shortly described ? Or should I take other architectures into considerations (usage of plan WCF services, WCF data services,...) ?

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• How do you stream M4V video on the web without using Flash?

  - by Alex

  I'm building a web site that needs to stream video and be friendly for handheld devices (especially the iPhone). Some handhelds don't support Flash so I'm avoiding the use of a Flash player. How does Youtube stream its videos so that they play on both desktops and iPhones? I'm looking for a player, or multiple players, which can be somehow activated based on the user's device. Your help and guidance are much appreciated. Thanks.

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• Positions fixed doesn't work when using -webkit-transform

  - by iSenne

  Hello everybody I am using -webkit-transform (and -moz-transform / -o-transform) to rotate a div. Also have position fixed added so the div scrols down with the user. In Firefox it works fine, but in webkit based browsers it's broken. After using the -webkit-transform, the position fixed doesn't work anymore! How is that possible?

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• factory girl - know when an attribute is overridden in factory

  - by carlos

  Is there any way to determine if attributes are overridden in a factory and adjust the behavior of the factory based on those overrides? The evaluator passed into the callbacks contains a __override_names__ method. Unfortunately, by the time it is passed to the callback, every attribute configured by the factory is included in the array returned. Moreover, the Evaluator is marked as api private.

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• Experiences with IKVM.NET

  - by Kottan

  Is IKVM.NET a good way to use Java Code or Java Libs in .NET applications ? Has anybody experiences with this tool ? Are there alternatives ? Are there possibilities to call Java functions / code in COM-based applications like Visual Basic 6 or Classical ASP ?

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• ASCII Diagram Tool

  - by Jon

  I'm looking for an ASCII diagram tool for producing diagrams from text. I only really need sequence and state type diagrams for now, but I'm curious as to what people would recommend? I need something which is standalone, not a web based tool that works on Linux, OSX and Windows.

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• java tracing spaghetti code

  - by Amarsh

  Folks, I have just joined this company which has a huge source tree based upon JSP/Servlet and EJB 1.2. No documentation exists. The code has been written over seven years, with a large number of undocumented changes. Are there any tool tah can assist me in tracing the execution? Putting a breakpoint is not helping me much.

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• help with t-sql self join

  - by stackoverflowuser

  Based on the following table ID Date State ----------------------------- 1 06/10/2010 Complete 1 06/04/2010 Pending 2 06/06/2010 Active 2 06/05/2010 Pending I want the following ouptut ID Date State --------------------------- 1 06/04/2010 Complete 2 06/05/2010 Active So date is the earliest one and State is the latest one. I am failing to apply self join on the table to get the output. Thanks

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• What language to use for developing a tiled map editor?

  - by Tamir

  Hello. I'm working on a 2D tiles-based games mixing 3D models, which I achieved using OpenGL and C++. I would like to know what language should I use for creating a map editor, it needs to be easy-to-use and with a form designer or something alike, and with an easily embedded rendering engine.

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• Java configuration framework

  - by Steen

  I'm in the process of weeding out all hardcoded values in a java library and was wondering what framework would be the best (in terms of zero- or close-to-zero configuration) to handle run-time configuration? I would prefer xml-based config-files, but it's not essential. Please do only reply if you have practical experience with a framework. I'm not looking for examples, but experience... Thanks for taking the time.

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• Generate dynamic UPDATE command from Expression<Func<T, T>>

  - by Rui Jarimba

  I'm trying to generate an UPDATE command based on Expression trees (for a batch update). Assuming the following UPDATE command: UPDATE Product SET ProductTypeId = 123, ProcessAttempts = ProcessAttempts + 1 For an expression like this: Expression<Func<Product, Product>> updateExpression = entity => new Product() { ProductTypeId = 123, ProcessAttempts = entity.ProcessAttempts + 1 }; How can I generate the SET part of the command? SET ProductTypeId = 123, ProcessAttempts = ProcessAttempts + 1

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• How to write a lightroom plugin which sets the crop of all selected images?

  - by Sam

  I wonder if it is possible to write a lightroom plugin, which applies crop rectangles to a set of images? Of course I do not just want to duplicate the crop, I'd like to set a different crop to every image, based on some computations. Can this be achieved with lightroom plugins, or would I need to try a different approach?

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• customizing what files to keep under version control ? [svn]

  - by Neeraj

  Recently, I checked out a copy of a project, There were multiple source files and a manual makefile based build system. I did this svn status No output // meaning . is a working copy make // created a lot of *.o files svn status No change How come this is possible? This clearly suggests there be some wildcard way to customize the files under version control? How can I do that?s

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• Scala Map conversion

  - by Benjamin Metz

  I'm a Scala newbie I'm afraid: I'm trying to convert a Map to a new Map based on some simple logic: val postVals = Map("test" - "testing1", "test2" - "testing2", "test3" - "testing3") I want to test for value "testing1" and change the value (while creating a new Map) def modMap(postVals: Map[String, String]): Map[String, String] = { postVals foreach {case(k, v) => if(v=="testing1") postVals.update(k, "new value")} }

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